import time
start = int(time.time())
end = int(time.time())
start_time = time.localtime(start)
end_time = time.localtime(end)
start_ = time.strftime("%Y-%m-%d %H:%M:%S", start_time)
end_ = time.strftime("%Y-%m-%d %H:%M:%S", end_time)
print('start time:', start_, '\n end time: ', end_)